These entries are queried from radb.net using whois, you can try my project getting these.
:AS267287 route: 45.233.12.0/22 descr: CLARO S.A. Customer origin: AS267287 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190904 source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.12.0/24 descr: MEGANET origin: AS267287 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180530 #17:48:04Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.13.0/24 descr: MEGANET origin: AS267287 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180530 #17:48:22Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.14.0/24 descr: MEGANET origin: AS267287 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180530 #17:48:39Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.15.0/24 descr: MEGANET origin: AS267287 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180530 #17:48:59Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4b28::/32 descr: ITX-DB3 origin: AS267287 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180416 #12:41:05Z source: RADB last-modified: 2023-11-13T15:53:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source